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    Masterpact NW

    High current air circuit breakers from 800 to 6300A

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    Masterpact NW
    • Features

      • Nominal current: 800 to 6300 A
      • Breaking performance: 42 to 150 kA at 220/415 V AC
      • Voltage rating: up to 1000 V
      • 2 physical sizes from 800 to 6300 A
      • 2 pole pitches of 115 and 230 mm
      • 3- and 4-pole versions
      • 5 types of Micrologic control units with added measurement, energy-management and network-analysis functions
      • Earth leakage protection built into the control unit
      • Wide range of common auxiliaries and accessories interchangeable on site
      • Compliance with international standards IEC 60947-1 and 2, IEC 68230 for type 2 topicalisation, UL489 and ANSI/UL1066
      • CCC and GOST certifications
      • Compliance with specifications of marine classification bodies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.


      Benefits

      The worldwide benchmark for high-current circuit-breakers

      The Masterpact NW circuit-breaker range features optimised dimensions: not only is it more compact, but even better two sizes are sufficient to cover requirements from 4000 to 6300 A.

      At a time when installations are becoming increasingly complex, Masterpact NW enables standardisation of electrical switchboards by providing unrivalled simplicity in terms of both choice and installation.

      Applications

      General Applications

      • Protection, measurement and communication of LV electrical networks
      • Generator protection
      • Motor protection

      Special applications

      • DC networks
      • Protection of installations in highly corrosive industrial environments
      • Mines (special 1000V version of NW)
      • Navy
      • Earthing switch
      • High short-circuit current limiting (ultra-rapid Masterpact UR)
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